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For the Inventor, By the Inventor

Houston, TX, United States of America

Stone & Webster Process Technology, Inc.


USPTO Granted Patents = 26



Trademarks = 6

Forward Citations = 161

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41 inventors (with patents filed for the assignee):

goldMedal Eusebius Anku Gbordzoe (4 out of 15 patents)

silverMedal Chris Robert Santner (4 out of 8 patents)

bronzeMedal Warren S Letzsch (4 out of 5 patents)

4.  Sabah A Kurukchi (3 out of 18 patents)

5.  Joseph M Gondolfe (3 out of 13 patents)

6.  Harvey McQuiston (3 out of 5 patents)

7.  Kelly Benham (3 out of 4 patents)

8.  David J Brown (3 out of 4 patents)

9.  Ed Yuan (2 out of 2 patents)

10.  Gary Jackson (2 out of 2 patents)

11.  John Brewer (2 out of 3 patents)

12.  Martyn D Roberts (2 out of 2 patents)

13.  Richard Barchas (2 out of 3 patents)

14.  Douglas Hubbell (1 out of 3 patents)

15.  Robert J Gartside (1 out of 72 patents)


26 patents:

1. 8496786 - Heavy feed mixer (2013-07-30),
2. 8383051 - Separating and stripping apparatus for external FCC risers (2013-02-26),
3. 8349753 - Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units (2013-01-08),
4. 8309776 - Method for contaminants removal in the olefin production process (2012-11-13),
5. 7951739 - Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units (2011-05-31),
6. 7793859 - Fluidized catalytic cracking feed nozzle (2010-09-14),
7. 7772449 - Removal of acid gases and sulfur compounds from hydrocarbon gas streams in a caustic tower (2010-08-10),
8. 7745365 - Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units (2010-06-29),
9. 7744067 - Three phase vapor distributor (2010-06-29),
10. 7591939 - Integrated desulfurization and FCC process (2009-09-22),
11. 7482502 - Process for cracking hydrocarbons using improved furnace reactor tubes (2009-01-27),
12. 7479218 - Deep catalytic cracking process (2009-01-20),
13. 7429363 - Riser termination device (2008-09-30),
14. 7402290 - Condensation reduction in fluid mixing (2008-07-22),
15. 7273543 - Process and apparatus for controlling catalyst temperature in a catalyst stripper (2007-09-25),
Stone & Webster Process Technology, Inc. is a global engineering company providing advanced process technologies, engineering, procurement, and construction services to the energy and chemical industries. With a rich history dating back over 130 years, the company specializes in delivering innovative and sustainable solutions for complex industrial projects. Stone & Webster Process Technology, Inc. is committed to excellence in technical expertise, safety, and client satisfaction.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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26 Patents

#205 in Houston, TX

#732 in Texas

#12,430 in US

#24,071 in the World

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Houston, TX, United States of America

Stone & Webster Process Technology, Inc.

Forward Citations = 161

41 inventors:

goldMedal Eusebius Anku Gbordzoe (4 out of 15 patents)

silverMedal Chris Robert Santner (4 out of 8 patents)

bronzeMedal Warren S Letzsch (4 out of 5 patents)

4.  Sabah A Kurukchi (3 out of 18 patents)

5.  Joseph M Gondolfe (3 out of 13 patents)

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